Fantastic Beasts 2

So I watched Fantastic Beasts: Crimes of Grindelwald yesterday, and though I continue to like Newt, I mostly felt confused, and the story such as it was never really grabbed me. I think they maybe should not have spread out the plot over quite as many movies (and yet they somehow still fail to explain what happens).

I'm not sure whether that confusion was because I hadn't rewatched the first part since I watched it in cinema, or whether it was because I have gaps in my recall of the Dumbledore/Grindelwald backstory from the books, or the Harry Potter movies did some different set up (I've never watched those), or what but...

( cut for spoilers )